/*card*/
.blue {
    color: #29b6f6;
  }
  
  .green {
    color: #9ccc65;
  }
  
  .purple {
    color: #ba68c8;
  }
  
  .cyan {
    color: #4dd0e1;
  }
  
  .red {
    color: #ef5350;
  }
  
  .content {
    height: 100vh;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .card {
    -webkit-perspective: 150rem;
            perspective: 150rem;
    height: 20rem;
    width: 30rem;
    position: relative;
  }
  .card-side {
    height: 15rem;
    transition: all 0.8s ease;
    position: absolute;
    top: 0;
    left: 0;
    margin: auto;
    width: 30rem;
    -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
    border-radius: 3px;
    overflow: hidden;
    box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.4);
  }
  .card-side-front {
    background-color: #1c1c1c;
  }
  .card-side-back {
    -webkit-transform: rotateY(180deg);
            transform: rotateY(180deg);
    background-color: #1c1c1c;
  }
  .card:hover .card-side-front {
    -webkit-transform: rotateY(-180deg);
            transform: rotateY(-180deg);
  }
  .card:hover .card-side-back {
    -webkit-transform: rotateY(0deg);
            transform: rotateY(0deg);
  }
  .card-cont {
    height: 15rem;
    background-color: #1c1c1c;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .card-cta {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
            transform: translate(-50%, -50%);
    width: 90%;
    color: white;
  }
  .card-cta p {
    margin-left: 1rem;
  }
  .card-cta p > .space {
    margin-left: 2rem;
  }